Inventor
OSAKABE KATSUICHI
JP21 patents
⚠️ This page may combine multiple inventors who share the name “OSAKABE KATSUICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
YAMAHA CORP
17 patentsUS6310854B1Oct 30, 2001
Optical disk having areas of different recording densities or functions
YAMAHA CORP107 citations98
US6894961B1May 17, 2005
Recordable optical disk and optical disk recording device utilizing pre-recorded recording speed information
YAMAHA CORP93 citations97
US5872763AFeb 16, 1999
Method and device for recording on optical disc
YAMAHA CORP114 citations97
US5559785ASep 24, 1996
Optimum recording laser power control by testing an EFT signal's asymmetry with a frame synchronization circuit
YAMAHA CORP57 citations96
US6541186B2Apr 1, 2003
Method of manufacturing an optical disk having areas of different recording densities or functions
YAMAHA CORP25 citations92
US5526333AJun 11, 1996
Optical disk recording device
YAMAHA CORP25 citations92
US5003527AMar 26, 1991
System for recording optical discs for use with optical disc playback only devices
YAMAHA CORP24 citations92
US7492682B2Feb 17, 2009
Optical disk recording apparatus controllable by table of multi-pulse patterns
YAMAHA CORP11 citations84
US4998237AMar 5, 1991
Optical disc recording device having improved accuracy of pit formation
YAMAHA CORP20 citations82
US6894967B2May 17, 2005
Optical disk recorder for writing data with variable density
YAMAHA CORP10 citations73
US7248554B2Jul 24, 2007
Laser driving apparatus
YAMAHA CORP3 citations63
US7539088B2May 26, 2009
Optical disc recording and reproducing method adaptive to wobble pregroove
YAMAHA CORP2 citations62
US7414935B2Aug 19, 2008
Method of overwriting optical disk with adapting initial writing conditions
YAMAHA CORP2 citations62
US7038997B2May 2, 2006
Optical disk with prerecorded control information
YAMAHA CORP5 citations62
US7012864B2Mar 14, 2006
Optical disk recorder for writing data with variable density
YAMAHA CORP2 citations60
US6980495B2Dec 27, 2005
Optical recording apparatus with interleaving blank rounds into spiral track
YAMAHA CORP2 citations59
US7075869B2Jul 11, 2006
Method and apparatus for determining applicable recording speed of a recordable optical disk
YAMAHA CORP1 citations52